ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
42		56
		57	our $RELOAD; # number of reloads so far
43	our @EVENT;	58	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		59
46	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	76	our $NEXT_TICK;
49	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
50		82
51	our %CFG;	83	our %CFG;
52		84
53	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	86	our $RUNTIME;
55		87
56	our %PLAYER; # all users	88	our %PLAYER; # all users
57	our %MAP; # all maps	89	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		91
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
63		98
64	binmode STDOUT;	99	binmode STDOUT;
65	binmode STDERR;	100	binmode STDERR;
66		101
67	# read virtual server time, if available	102	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
72	}	107	}
73		108
74	mkdir cf::localdir;	109	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		111
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
83		115
84	#############################################################################	116	#############################################################################
85		117
86	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
87		119
…		…
94	=item $cf::RUNTIME	126	=item $cf::RUNTIME
95		127
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	129	every server tick.
98		130
99	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		134
101	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
103		139
104	=item $cf::NOW	140	=item $cf::NOW
105		141
106	The time of the last (current) server tick.	142	The time of the last (current) server tick.
107		143
108	=item $cf::TICK	144	=item $cf::TICK
109		145
110	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
111		157
112	=item %cf::CFG	158	=item %cf::CFG
113		159
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	161	from wherever your confdir points to.
116		162
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		164
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.
123		168
124	=back	169	=back
125		170
126	=cut	171	=cut
127		172
128	BEGIN {	173	BEGIN {
129	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	175	my $msg = join "", @_;
131	utf8::encode $msg;
132		176
133	$msg .= "\n"	177	$msg .= "\n"
134	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
135		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
136	LOG llevError, $msg;	183	LOG llevError, $msg;
137	};	184	};
138	}	185	}
139		186
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		194
147	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	196	# within the Safe compartment.
149	for my $pkg (qw(	197	for my $pkg (qw(
150	cf::global cf::attachable	198	cf::global cf::attachable
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	235	$d
188	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
189	}	237	}
190		238
191	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
192		240
193	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
194		242
195	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
196		244
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
205		246
206	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		248
215	=item cf::lock_wait $string	249	=item cf::lock_wait $string
216		250
217	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
218		252
…		…
224	returned.	258	returned.
225		259
226	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
228		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
229	=cut	267	=cut
230		268
231	our %LOCK;	269	our %LOCK;
232		270
233	sub lock_wait($) {	271	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
254	}	292	}
255	}	293	}
256		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
257	sub freeze_mainloop {	301	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
259		303
260	my $guard = Coro::guard { $TICK_WATCHER->start };	304	my $guard = Coro::guard {
		305	$TICK_WATCHER->start;
		306	};
261	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
262	$guard	308	$guard
263	}	309	}
264		310
265	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
287		333
288	sub sync_job(&) {	334	sub sync_job(&) {
289	my ($job) = @_;	335	my ($job) = @_;
290		336
291	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
292	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
294		342
295	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
307		355
308	while ($busy) {	356	while ($busy) {
309	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
310	}	358	}
311		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
312	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
313	} else {	368	} else {
314	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
315		370
316	$job->()	371	$job->()
…		…
336		391
337	$coro	392	$coro
338	}	393	}
339		394
340	sub write_runtime {	395	sub write_runtime {
341	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
342		404
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	406	or return;
345		407
		408	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	413	and return;
349		414
		415	# always fsync - this file is important
350	aio_fsync $fh	416	aio_fsync $fh
351	and return;	417	and return;
352		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
353	close $fh	422	close $fh
354	or return;	423	or return;
355		424
356	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
357	and return;	426	and return;
358		427
		428	warn "runtime file written.\n";
		429
359	1	430	1
360	}	431	}
361		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		442	}
		443
362	=back	444	=back
363		445
364	=cut	446	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		447
493	#############################################################################	448	#############################################################################
494		449
495	=head2 ATTACHABLE OBJECTS	450	=head2 ATTACHABLE OBJECTS
496		451
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	578	our @CB_MAP = ();
624		579
625	my %attachment;	580	my %attachment;
626		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
627	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
629		590
630	use sort 'stable';	591	use sort 'stable';
631		592
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
666		627
667	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		632
672	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	634	my $pkg = shift @arg;
674		635
675	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
716	if (ref $_[0]) {	677	if (ref $_[0]) {
717	_object_attach @_;	678	_object_attach @_;
718	} else {	679	} else {
719	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
720	}	681	}
		682	_recalc_want;
721	};	683	};
722		684
723	# all those should be optimised	685	# all those should be optimised
724	sub cf::attachable::detach {	686	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
729	reattach ($obj);	691	reattach ($obj);
730	} else {	692	} else {
731	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
732	}	694	}
		695	_recalc_want;
733	};	696	};
734		697
735	sub cf::attachable::attached {	698	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
737		700
…		…
802	# object support	765	# object support
803		766
804	sub reattach {	767	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		772
808	my $registry = $obj->registry;	773	my $registry = $obj->registry;
809		774
810	@$registry = ();	775	@$registry = ();
811		776
…		…
858	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
859		824
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	829	close $fh;
865		830
866	if (@$objs) {	831	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	837	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
874	}	839	}
875	} else {	840	} else {
876	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
908	or return;	873	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
910	}	875	}
911		876
912	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	879	return ($data, $av);
915	}	880	}
916		881
917	#############################################################################	882	#############################################################################
918	# command handling &c	883	# command handling &c
…		…
978		943
979	cf::override;	944	cf::override;
980	},	945	},
981	);	946	);
982		947
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "... loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
1011	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	953	next unless -r $path;
1013	eval {	954
1014	load_extension $ext;	955	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		956	my $base = $1;
		957	my $pkg = $1;
		958	$pkg =~ s/[^[:word:]]/_/g;
		959	$pkg = "ext::$pkg";
		960
		961	open my $fh, "<:utf8", $path
		962	or die "$path: $!";
		963
		964	my $source = do { local $/; <$fh> };
		965
		966	my %ext = (
		967	path => $path,
		968	base => $base,
		969	pkg => $pkg,
		970	);
		971
		972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }
		973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;
		974
		975	$ext{source} =
		976	"package $pkg; use strict; use utf8;\n"
		977	. "#line 1 \"$path\"\n{\n"
		978	. $source
		979	. "\n};\n1";
		980
		981	$todo{$base} = \%ext;
		982	}
		983
		984	my %done;
		985	while (%todo) {
		986	my $progress;
		987
		988	while (my ($k, $v) = each %todo) {
		989	for (split /,\s*/, $ext{meta}{depends}) {
		990	goto skip
		991	unless exists $done{$_};
		992	}
		993
		994	warn "... loading '$k' into '$v->{pkg}'\n";
		995
		996	unless (eval $v->{source}) {
		997	my $msg = $@ ? "$v->{path}: $@\n"
		998	: "extension disabled.\n";
		999
		1000	if (exists $v->{meta}{mandatory}) {
		1001	warn $msg;
		1002	warn "mandatory extension failed to load, exiting.\n";
		1003	exit 1;
		1004	}
		1005
		1006	die $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
1015	1	1011	}
1016	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
1017	}	1017	};
1018	}	1018	}
1019		1019
1020	#############################################################################	1020	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1021
1036	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
1037		1023
1038	Functions and methods that extend core crossfire objects.	1024	Functions and methods that extend core crossfire objects.
1039		1025
…		…
1052	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
1053		1039
1054	=cut	1040	=cut
1055		1041
1056	sub playerdir($) {	1042	sub playerdir($) {
1057	cf::localdir	1043	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1045	}
1063		1046
1064	sub path($) {	1047	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1049
1067	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
1068	}	1051	}
1069		1052
1070	sub find_active($) {	1053	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
1075		1058
1076	sub exists($) {	1059	sub exists($) {
1077	my ($login) = @_;	1060	my ($login) = @_;
1078		1061
1079	$cf::PLAYER{$login}	1062	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1063	or cf::sync_job { !aio_stat path $login }
1081	}	1064	}
1082		1065
1083	sub find($) {	1066	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1067	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1068	my $login = $_[0];
1086		1069
1087	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
1088		1071
1089	$cf::PLAYER{$_[0]} || do {	1072	$cf::PLAYER{$_[0]} || do {
		1073	# rename old playerfiles to new ones
		1074	#TODO: remove when no longer required
		1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1078	aio_unlink +(playerdir $login) . "/$login.pl";
		1079
1090	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
1091	or return;	1081	or return;
1092	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
1093	}	1083	}
1094	}	1084	}
…		…
1131		1121
1132	=cut	1122	=cut
1133		1123
1134	sub quit_character {	1124	sub quit_character {
1135	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1136		1128
1137	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1130	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1131
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1141	$pl->destroy;
		1142
		1143	my $prefix = qr<^~\Q$name\E/>;
		1144
		1145	# nuke player maps
		1146	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1147
1150	IO::AIO::aio_rmtree $temp;	1148	IO::AIO::aio_rmtree $temp;
		1149	}
		1150
		1151	=item $pl->kick
		1152
		1153	Kicks a player out of the game. This destroys the connection.
		1154
		1155	=cut
		1156
		1157	sub kick {
		1158	my ($pl, $kicker) = @_;
		1159
		1160	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1161	$pl->killer ("kicked");
		1162	$pl->ns->destroy;
1151	}	1163	}
1152		1164
1153	=item cf::player::list_logins	1165	=item cf::player::list_logins
1154		1166
1155	Returns am arrayref of all valid playernames in the system, can take a	1167	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1157		1169
1158	=cut	1170	=cut
1159		1171
1160	sub list_logins {	1172	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1174	or return [];
1163		1175
1164	my @logins;	1176	my @logins;
1165		1177
1166	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1175	\@logins	1187	\@logins
1176	}	1188	}
1177		1189
1178	=item $player->maps	1190	=item $player->maps
1179		1191
1180	Returns an arrayref of cf::path's of all maps that are private for this	1192	Returns an arrayref of map paths that are private for this
1181	player. May block.	1193	player. May block.
1182		1194
1183	=cut	1195	=cut
1184		1196
1185	sub maps($) {	1197	sub maps($) {
1186	my ($pl) = @_;	1198	my ($pl) = @_;
		1199
		1200	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1201
1188	my $files = aio_readdir playerdir $pl	1202	my $files = aio_readdir playerdir $pl
1189	or return;	1203	or return;
1190		1204
1191	my @paths;	1205	my @paths;
…		…
1193	for (@$files) {	1207	for (@$files) {
1194	utf8::decode $_;	1208	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1209	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1210	next unless /^$PATH_SEP/o;
1197		1211
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1212	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1213	}
1200		1214
1201	\@paths	1215	\@paths
1202	}	1216	}
1203		1217
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1205		1219
1206	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1207		1221
1208	=cut	1222	=cut
1209		1223
1210	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1212		1226
1213	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1214		1228
1215	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1216	}	1230	}
1217		1231
1218	package cf;	1232	=item $player->ext_event ($type, %msg)
		1233
		1234	Sends an ext event to the client.
		1235
		1236	=cut
		1237
		1238	sub ext_event($$%) {
		1239	my ($self, $type, %msg) = @_;
		1240
		1241	$self->ns->ext_event ($type, %msg);
		1242	}
		1243
		1244	=head3 cf::region
		1245
		1246	=over 4
		1247
		1248	=cut
		1249
		1250	package cf::region;
		1251
		1252	=item cf::region::find_by_path $path
		1253
		1254	Tries to decuce the probable region for a map knowing only its path.
		1255
		1256	=cut
		1257
		1258	sub find_by_path($) {
		1259	my ($path) = @_;
		1260
		1261	my ($match, $specificity);
		1262
		1263	for my $region (list) {
		1264	if ($region->match && $path =~ $region->match) {
		1265	($match, $specificity) = ($region, $region->specificity)
		1266	if $region->specificity > $specificity;
		1267	}
		1268	}
		1269
		1270	$match
		1271	}
1219		1272
1220	=back	1273	=back
1221
1222		1274
1223	=head3 cf::map	1275	=head3 cf::map
1224		1276
1225	=over 4	1277	=over 4
1226		1278
…		…
1229	package cf::map;	1281	package cf::map;
1230		1282
1231	use Fcntl;	1283	use Fcntl;
1232	use Coro::AIO;	1284	use Coro::AIO;
1233		1285
		1286	use overload
		1287	'""' => \&as_string,
		1288	fallback => 1;
		1289
1234	our $MAX_RESET = 3600;	1290	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1291	our $DEFAULT_RESET = 3000;
1236		1292
1237	sub generate_random_map {	1293	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1294	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1295	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1296	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1300	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1301	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1307	(cf::region::find $rmp->{region}), $rmp->{custom}
		1308	)
		1309	}
		1310
		1311	=item cf::map->register ($regex, $prio)
		1312
		1313	Register a handler for the map path matching the given regex at the
		1314	givne priority (higher is better, built-in handlers have priority 0, the
		1315	default).
		1316
		1317	=cut
		1318
		1319	sub register {
		1320	my (undef, $regex, $prio) = @_;
		1321	my $pkg = caller;
		1322
		1323	no strict;
		1324	push @{"$pkg\::ISA"}, __PACKAGE__;
		1325
		1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1327	}
		1328
		1329	# also paths starting with '/'
		1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1331
		1332	sub thawer_merge {
		1333	my ($self, $merge) = @_;
		1334
		1335	# we have to keep some variables in memory intact
		1336	local $self->{path};
		1337	local $self->{load_path};
		1338
		1339	$self->SUPER::thawer_merge ($merge);
		1340	}
		1341
		1342	sub normalise {
		1343	my ($path, $base) = @_;
		1344
		1345	$path = "$path"; # make sure its a string
		1346
		1347	$path =~ s/\.map$//;
		1348
		1349	# map plan:
		1350	#
		1351	# /! non-realised random map exit (special hack!)
		1352	# {... are special paths that are not being touched
		1353	# ?xxx/... are special absolute paths
		1354	# ?random/... random maps
		1355	# /... normal maps
		1356	# ~user/... per-player map of a specific user
		1357
		1358	$path =~ s/$PATH_SEP/\//go;
		1359
		1360	# treat it as relative path if it starts with
		1361	# something that looks reasonable
		1362	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1363	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1364
		1365	$base =~ s{[^/]+/?$}{};
		1366	$path = "$base/$path";
		1367	}
		1368
		1369	for ($path) {
		1370	redo if s{//}{/};
		1371	redo if s{/\.?/}{/};
		1372	redo if s{/[^/]+/\.\./}{/};
		1373	}
		1374
		1375	$path
		1376	}
		1377
		1378	sub new_from_path {
		1379	my (undef, $path, $base) = @_;
		1380
		1381	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1382
		1383	$path = normalise $path, $base;
		1384
		1385	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1386	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1387	my $self = bless cf::map::new, $pkg;
		1388	$self->{path} = $path; $self->path ($path);
		1389	$self->init; # pass $1 etc.
		1390	return $self;
		1391	}
		1392	}
		1393
		1394	Carp::carp "unable to resolve path '$path' (base '$base').";
		1395	()
		1396	}
		1397
		1398	sub init {
		1399	my ($self) = @_;
		1400
		1401	$self
		1402	}
		1403
		1404	sub as_string {
		1405	my ($self) = @_;
		1406
		1407	"$self->{path}"
		1408	}
		1409
		1410	# the displayed name, this is a one way mapping
		1411	sub visible_name {
		1412	&as_string
		1413	}
		1414
		1415	# the original (read-only) location
		1416	sub load_path {
		1417	my ($self) = @_;
		1418
		1419	"$MAPDIR/$self->{path}.map"
		1420	}
		1421
		1422	# the temporary/swap location
		1423	sub save_path {
		1424	my ($self) = @_;
		1425
		1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1427	"$TMPDIR/$path.map"
		1428	}
		1429
		1430	# the unique path, undef == no special unique path
		1431	sub uniq_path {
		1432	my ($self) = @_;
		1433
		1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1435	"$UNIQUEDIR/$path"
1254	}	1436	}
1255		1437
1256	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1257	# all maps in C++...	1439	# all maps in C++...
1258	sub change_all_map_light {	1440	sub change_all_map_light {
…		…
1260		1442
1261	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1263	}	1445	}
1264		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
		1455	sub unlink_save {
		1456	my ($self) = @_;
		1457
		1458	utf8::encode (my $save = $self->save_path);
		1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1461	}
		1462
1265	sub try_load_header($) {	1463	sub load_header_from($) {
1266	my ($path) = @_;	1464	my ($self, $path) = @_;
1267		1465
1268	utf8::encode $path;	1466	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1467	#aio_open $path, O_RDONLY, 0
		1468	# or return;
		1469
		1470	$self->_load_header ($path)
1270	or return;	1471	or return;
1271		1472
1272	my $map = cf::map::new	1473	$self->{load_path} = $path;
		1474
		1475	1
		1476	}
		1477
		1478	sub load_header_orig {
		1479	my ($self) = @_;
		1480
		1481	$self->load_header_from ($self->load_path)
		1482	}
		1483
		1484	sub load_header_temp {
		1485	my ($self) = @_;
		1486
		1487	$self->load_header_from ($self->save_path)
		1488	}
		1489
		1490	sub prepare_temp {
		1491	my ($self) = @_;
		1492
		1493	$self->last_access ((delete $self->{last_access})
		1494	|| $cf::RUNTIME); #d#
		1495	# safety
		1496	$self->{instantiate_time} = $cf::RUNTIME
		1497	if $self->{instantiate_time} > $cf::RUNTIME;
		1498	}
		1499
		1500	sub prepare_orig {
		1501	my ($self) = @_;
		1502
		1503	$self->{load_original} = 1;
		1504	$self->{instantiate_time} = $cf::RUNTIME;
		1505	$self->last_access ($cf::RUNTIME);
		1506	$self->instantiate;
		1507	}
		1508
		1509	sub load_header {
		1510	my ($self) = @_;
		1511
		1512	if ($self->load_header_temp) {
		1513	$self->prepare_temp;
		1514	} else {
		1515	$self->load_header_orig
1273	or return;	1516	or return;
		1517	$self->prepare_orig;
		1518	}
1274		1519
1275	# for better error messages only, will be overwritten	1520	$self->{deny_reset} = 1
1276	$map->path ($path);	1521	if $self->no_reset;
1277		1522
1278	$map->load_header ($path)	1523	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1524	unless $self->default_region;
1280		1525
1281	$map->{load_path} = $path;	1526	1
1282
1283	$map
1284	}	1527	}
1285		1528
1286	sub find;	1529	sub find;
1287	sub find {	1530	sub find {
1288	my ($path, $origin) = @_;	1531	my ($path, $origin) = @_;
1289		1532
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1533	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1534
1295	cf::lock_wait "map_find:$key";	1535	cf::lock_wait "map_find:$path";
1296		1536
1297	$cf::MAP{$key} || do {	1537	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1538	my $guard = cf::lock_acquire "map_find:$path";
1299		1539	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1540	or return;
1319		1541
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1542	$map->{last_save} = $cf::RUNTIME;
1332		1543
1333	Coro::cede;	1544	$map->load_header
		1545	or return;
1334		1546
1335	if ($map->should_reset) {	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1548	# doing this can freeze the server in a sync job, obviously
		1549	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1550	$map->reset;
1337	undef $guard;	1551	undef $guard;
1338	$map = find $path	1552	return find $path;
1339	or return;
1340	}	1553	}
1341		1554
1342	$cf::MAP{$key} = $map	1555	$cf::MAP{$path} = $map
1343	}	1556	}
1344	}	1557	}
		1558
		1559	sub pre_load { }
		1560	sub post_load { }
1345		1561
1346	sub load {	1562	sub load {
1347	my ($self) = @_;	1563	my ($self) = @_;
1348		1564
		1565	local $self->{deny_reset} = 1; # loading can take a long time
		1566
1349	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1570	my $guard = cf::lock_acquire "map_load:$path";
1351		1571
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1573
1354	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1355		1575
1356	$self->alloc;	1576	$self->alloc;
		1577
		1578	$self->pre_load;
		1579	Coro::cede;
		1580
1357	$self->load_objects ($self->{load_path}, 1)	1581	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1582	or return;
1359		1583
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1585	if delete $self->{load_original};
1362		1586
1363	if (my $uniq = $path->uniq_path) {	1587	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1588	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1589	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1590	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1591	$self->_load_objects ($uniq, 0);
1368	}	1592	}
1369	}	1593	}
1370		1594
1371	Coro::cede;	1595	Coro::cede;
1372
1373	# now do the right thing for maps	1596	# now do the right thing for maps
1374	$self->link_multipart_objects;	1597	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1598	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1599	unless $self->difficulty;
		1600	Coro::cede;
		1601
		1602	unless ($self->{deny_activate}) {
		1603	$self->decay_objects;
		1604	$self->fix_auto_apply;
		1605	$self->update_buttons;
		1606	Coro::cede;
		1607	$self->set_darkness_map;
		1608	Coro::cede;
1386	$self->activate;	1609	$self->activate;
1387	}	1610	}
1388		1611
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1612	$self->in_memory (cf::MAP_IN_MEMORY);
		1613	}
		1614
		1615	$self->post_load;
		1616	}
		1617
		1618	sub customise_for {
		1619	my ($self, $ob) = @_;
		1620
		1621	return find "~" . $ob->name . "/" . $self->{path}
		1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
		1626
		1627	$self
1392	}	1628	}
1393		1629
1394	# find and load all maps in the 3x3 area around a map	1630	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1631	sub load_diag {
1396	my ($map) = @_;	1632	my ($map) = @_;
…		…
1426		1662
1427	cf::sync_job { $map->load };	1663	cf::sync_job { $map->load };
1428	}	1664	}
1429		1665
1430	our %MAP_PREFETCH;	1666	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1667	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1668
1446	sub find_async {	1669	sub find_async {
1447	my ($path, $origin) = @_;	1670	my ($path, $origin) = @_;
1448		1671
1449	$path = new cf::path $path, $origin && $origin->path;	1672	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1673
1452	if (my $map = $cf::MAP{$key}) {	1674	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1676	}
1455		1677
1456	$MAP_PREFETCH{$key} = $path;	1678	undef $MAP_PREFETCH{$path};
		1679	$MAP_PREFETCHER ||= cf::async {
		1680	while (%MAP_PREFETCH) {
		1681	for my $path (keys %MAP_PREFETCH) {
		1682	my $map = find $path
		1683	or next;
		1684	$map->load;
		1685
		1686	delete $MAP_PREFETCH{$path};
		1687	}
		1688	}
		1689	undef $MAP_PREFETCHER;
		1690	};
1457	$MAP_PREFETCHER->ready;	1691	$MAP_PREFETCHER->prio (6);
1458		1692
1459	()	1693	()
1460	}	1694	}
1461		1695
1462	sub save {	1696	sub save {
…		…
1466		1700
1467	$self->{last_save} = $cf::RUNTIME;	1701	$self->{last_save} = $cf::RUNTIME;
1468		1702
1469	return unless $self->dirty;	1703	return unless $self->dirty;
1470		1704
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1705	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1706	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1707
1474	$self->{load_path} = $save;	1708	$self->{load_path} = $save;
1475		1709
1476	return if $self->{deny_save};	1710	return if $self->{deny_save};
1477		1711
…		…
1480	cf::async {	1714	cf::async {
1481	$_->contr->save for $self->players;	1715	$_->contr->save for $self->players;
1482	};	1716	};
1483		1717
1484	if ($uniq) {	1718	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1721	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1723	}
1490	}	1724	}
1491		1725
1492	sub swap_out {	1726	sub swap_out {
1493	my ($self) = @_;	1727	my ($self) = @_;
…		…
1507		1741
1508	sub reset_at {	1742	sub reset_at {
1509	my ($self) = @_;	1743	my ($self) = @_;
1510		1744
1511	# TODO: safety, remove and allow resettable per-player maps	1745	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1746	return 1e99 if $self->{deny_reset};
1514		1747
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1749	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1750
…		…
1522	my ($self) = @_;	1755	my ($self) = @_;
1523		1756
1524	$self->reset_at <= $cf::RUNTIME	1757	$self->reset_at <= $cf::RUNTIME
1525	}	1758	}
1526		1759
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1760	sub reset {
1549	my ($self) = @_;	1761	my ($self) = @_;
1550		1762
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1764
1553	return if $self->players;	1765	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		1766
1556	warn "resetting map ", $self->path;#d#	1767	warn "resetting map ", $self->path;
		1768
		1769	$self->in_memory (cf::MAP_SWAPPED);
		1770
		1771	# need to save uniques path
		1772	unless ($self->{deny_save}) {
		1773	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1774
		1775	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1776	if $uniq;
		1777	}
1557		1778
1558	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
		1780
		1781	$self->clear;
1559		1782
1560	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1561		1784
1562	$self->unlink_save;	1785	$self->unlink_save;
1563	$self->destroy;	1786	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1789	my $nuke_counter = "aaaa";
1567		1790
1568	sub nuke {	1791	sub nuke {
1569	my ($self) = @_;	1792	my ($self) = @_;
1570		1793
		1794	delete $cf::MAP{$self->path};
		1795
		1796	$self->unlink_save;
		1797
		1798	bless $self, "cf::map";
		1799	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1800	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1801	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1803
		1804	$cf::MAP{$self->path} = $self;
		1805
1574	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
1575	}	1807	}
1576		1808
1577	sub customise_for {	1809	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		1810
1580	if ($map->per_player) {	1811	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1812	maps. May block.
		1813
		1814	=cut
		1815
		1816	sub tmp_maps() {
1582	}	1817	[
		1818	map {
		1819	utf8::decode $_;
		1820	/\.map$/
		1821	? normalise $_
		1822	: ()
		1823	} @{ aio_readdir $TMPDIR or [] }
		1824	]
		1825	}
1583		1826
1584	$map	1827	=item $maps = cf::map::random_maps
		1828
		1829	Returns an arrayref with all map paths of currently instantiated and saved
		1830	random maps. May block.
		1831
		1832	=cut
		1833
		1834	sub random_maps() {
		1835	[
		1836	map {
		1837	utf8::decode $_;
		1838	/\.map$/
		1839	? normalise "?random/$_"
		1840	: ()
		1841	} @{ aio_readdir $RANDOMDIR or [] }
		1842	]
1585	}	1843	}
1586		1844
1587	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1588		1846
1589	Returns an arrayref of cf::path's of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1848	instantiated unique items. May block.
1591		1849
1592	=cut	1850	=cut
1593		1851
1594	sub unique_maps() {	1852	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1596	or return;	1854	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	1855	utf8::decode $_;
1602	next if /\.pst$/;	1856	/\.map$/
1603	next unless /^$PATH_SEP/o;	1857	? normalise $_
1604		1858	: ()
1605	push @paths, new cf::path $_;	1859	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	1860	]
1607
1608	\@paths
1609	}	1861	}
1610		1862
1611	package cf;	1863	package cf;
1612		1864
1613	=back	1865	=back
…		…
1685		1937
1686	=item $player_object->enter_link	1938	=item $player_object->enter_link
1687		1939
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1940	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1941
1690	The player should be reaosnably safe there for short amounts of time. You	1942	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	1943	I<MUST> call C<leave_link> as soon as possible, though.
1692		1944
		1945	Will never block.
		1946
1693	=item $player_object->leave_link ($map, $x, $y)	1947	=item $player_object->leave_link ($map, $x, $y)
1694		1948
1695	Moves the player out of the specila link map onto the given map. If the	1949	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1950	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1951	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1952	fails, to the emergency map position.
1699		1953
1700	Might block.	1954	Might block.
1701		1955
1702	=cut	1956	=cut
		1957
		1958	sub link_map {
		1959	unless ($LINK_MAP) {
		1960	$LINK_MAP = cf::map::find "{link}"
		1961	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1962	$LINK_MAP->load;
		1963	}
		1964
		1965	$LINK_MAP
		1966	}
1703		1967
1704	sub cf::object::player::enter_link {	1968	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1969	my ($self) = @_;
1706		1970
1707	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1708		1972
1709	return if $self->map == $LINK_MAP;	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1974
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1713		1977
1714	$self->enter_map ($LINK_MAP, 20, 20);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1979	}
1716		1980
1717	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1719		1985
1720	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1721		1987
1722	unless ($map) {	1988	unless ($map) {
1723	# restore original map position	1989	# restore original map position
…		…
1741	$map->load;	2007	$map->load;
1742	$map->load_diag;	2008	$map->load_diag;
1743		2009
1744	return unless $self->contr->active;	2010	return unless $self->contr->active;
1745	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1747	}	2015	}
1748		2016
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2018
		2019	Moves the player to the given map-path and coordinates by first freezing
		2020	her, loading and preparing them map, calling the provided $check callback
		2021	that has to return the map if sucecssful, and then unfreezes the player on
		2022	the new (success) or old (failed) map position.
		2023
1783	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1784		2027
1785	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2029	my ($self, $path, $x, $y, $check) = @_;
1787		2030
1788	$path = new cf::path $path;	2031	# do generation counting so two concurrent goto's will be executed in-order
		2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2033
1790	$self->enter_link;	2034	$self->enter_link;
1791		2035
1792	(async {	2036	(async {
		2037	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2041	$map = $map->customise_for ($self);
1795		2042	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2043	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2045	}
1800		2046
		2047	$map
		2048	};
		2049
		2050	if ($@) {
		2051	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2052	LOG llevError | logBacktrace, Carp::longmess $@;
		2053	}
		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1802	})->prio (1);	2059	})->prio (1);
1803	}	2060	}
1804		2061
1805	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1806		2063
…		…
1808		2065
1809	sub parse_random_map_params {	2066	sub parse_random_map_params {
1810	my ($spec) = @_;	2067	my ($spec) = @_;
1811		2068
1812	my $rmp = { # defaults	2069	my $rmp = { # defaults
1813	xsize => 10,	2070	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2071	ysize => (cf::rndm 15, 40),
		2072	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2073	#layout => string,
1815	};	2074	};
1816		2075
1817	for (split /\n/, $spec) {	2076	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2077	my ($k, $v) = split /\s+/, $_, 2;
1819		2078
…		…
1823	$rmp	2082	$rmp
1824	}	2083	}
1825		2084
1826	sub prepare_random_map {	2085	sub prepare_random_map {
1827	my ($exit) = @_;	2086	my ($exit) = @_;
		2087
		2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2089
1829	# all this does is basically replace the /! path by	2090	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2091	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2092	# that depends on the exit object
1832		2093
1833	my $rmp = parse_random_map_params $exit->msg;	2094	my $rmp = parse_random_map_params $exit->msg;
1834		2095
1835	if ($exit->map) {	2096	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2097	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2098	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2099	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2100	$rmp->{origin_y} = $exit->y;
1840	}	2101	}
1841		2102
1842	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1843		2104
1844	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
		2107	my $meta = "$RANDOMDIR/$md5.meta";
1846		2108
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
		2111	undef $fh;
		2112	aio_rename "$meta~", $meta;
1849		2113
1850	$exit->slaying ("?random/$md5");	2114	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2115	$exit->msg (undef);
1852	}	2116	}
1853	}	2117	}
1854		2118
1855	sub cf::object::player::enter_exit {	2119	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2120	my ($self, $exit) = @_;
1857		2121
1858	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
		2123
		2124	if ($exit->slaying eq "/!") {
		2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2126	# the problem is that $exit might not survive long enough
		2127	# so it needs to be done right now, right here
		2128	cf::sync_job { prepare_random_map $exit };
		2129	}
		2130
		2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2132	my $hp = $exit->stats->hp;
		2133	my $sp = $exit->stats->sp;
1859		2134
1860	$self->enter_link;	2135	$self->enter_link;
1861		2136
1862	(async {	2137	(async {
1863	$self->deactivate_recursive; # just to be sure	2138	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2139	unless (eval {
1865	prepare_random_map $exit	2140	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2141
1871	1;	2142	1;
1872	}) {	2143	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2145	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2148
1878	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2150	$self->leave_link;
1880	}	2151	}
1881	})->prio (1);	2152	})->prio (1);
…		…
1894		2165
1895	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1897		2168
1898	utf8::encode $text;	2169	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2171	}
1901		2172
		2173	=item $client->ext_event ($type, %msg)
		2174
		2175	Sends an exti event to the client.
		2176
		2177	=cut
		2178
		2179	sub cf::client::ext_event($$%) {
		2180	my ($self, $type, %msg) = @_;
		2181
		2182	$msg{msgtype} = "event_$type";
		2183	$self->send_packet ("ext " . cf::to_json \%msg);
		2184	}
1902		2185
1903	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1904		2187
1905	Queues a query to the client, calling the given callback with	2188	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2218	# get handled first
1936	my $queue = delete $ns->{query_queue}	2219	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2220	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2221
1939	(shift @$queue)->[1]->($msg);	2222	(shift @$queue)->[1]->($msg);
		2223	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2224
1941	push @{ $ns->{query_queue} }, @$queue;	2225	push @{ $ns->{query_queue} }, @$queue;
1942		2226
1943	if (@{ $ns->{query_queue} } == @$queue) {	2227	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2228	if (@$queue) {
…		…
2002		2286
2003	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
2004		2288
2005	=pod	2289	=pod
2006		2290
2007	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
2008		2292
2009	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2294	cf::object::player player
2011	cf::player peaceful	2295	cf::player peaceful
2012	cf::map trigger	2296	cf::map trigger
…		…
2097	#############################################################################	2381	#############################################################################
2098		2382
2099	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2100		2384
2101	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2387	convert to/from binary).
2104		2388
2105	The parameter C<$family> should best start with the name of the extension	2389	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2390	using it, it should be unique.
2107		2391
2108	=over 4	2392	=over 4
2109		2393
2110	=item $hashref = cf::db_get $family
2111
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key	2394	=item $value = cf::db_get $family => $key
2117		2395
2118	Returns a single value from the database	2396	Returns a single value from the database.
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124		2397
2125	=item cf::db_put $family => $key => $value	2398	=item cf::db_put $family => $key => $value
2126		2399
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2400	Stores the given C<$value> in the family.
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137		2401
2138	=cut	2402	=cut
2139		2403
2140	our $DB;	2404	our $DB;
2141		2405
2142	{	2406	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2407	unless ($DB) {
		2408	$DB = BDB::db_create $DB_ENV;
2144		2409
2145	sub db_load() {	2410	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2411	eval {
2147	}	2412	$DB->set_flags (BDB::CHKSUM);
2148		2413
2149	my $pid;	2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2416	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2417	};
2153	if (0 == ($pid = fork)) {	2418	cf::cleanup "db_open(db): $@" if $@;
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}	2419	};
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2420	}
		2421	}
2171		2422
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2423	sub db_get($$) {
2178	@_ >= 2	2424	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2425
		2426	cf::sync_job {
		2427	BDB::db_get $DB, undef, $key, my $data;
		2428
		2429	$! ? ()
		2430	: $data
		2431	}
		2432	}
		2433
2183	sub db_put($$;$) {	2434	sub db_put($$$) {
2184	if (@_ >= 3) {	2435	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2437	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2438
2192	cf::global->attach (	2439	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2440
2194	on_cleanup => sub {	2441	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2442	caching and regenerating as required.
		2443
		2444	This function can block.
		2445
		2446	=cut
		2447
		2448	sub cache {
		2449	my ($id, $src, $processversion, $process) = @_;
		2450
		2451	my $meta =
		2452	join "\x00",
		2453	$processversion,
		2454	map {
		2455	aio_stat $_
		2456	and Carp::croak "$_: $!";
		2457
		2458	($_, (stat _)[7,9])
		2459	} @$src;
		2460
		2461	my $dbmeta = db_get cache => "$id/meta";
		2462	if ($dbmeta ne $meta) {
		2463	# changed, we may need to process
		2464
		2465	my @data;
		2466	my $md5;
		2467
		2468	for (0 .. $#$src) {
		2469	0 <= aio_load $src->[$_], $data[$_]
		2470	or Carp::croak "$src->[$_]: $!";
2196	},	2471	}
2197	);	2472
		2473	# if processing is expensive, check
		2474	# checksum first
		2475	if (1) {
		2476	$md5 =
		2477	join "\x00",
		2478	$processversion,
		2479	map {
		2480	Coro::cede;
		2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2482	} 0.. $#$src;
		2483
		2484
		2485	my $dbmd5 = db_get cache => "$id/md5";
		2486	if ($dbmd5 eq $md5) {
		2487	db_put cache => "$id/meta", $meta;
		2488
		2489	return db_get cache => "$id/data";
		2490	}
		2491	}
		2492
		2493	my $t1 = Time::HiRes::time;
		2494	my $data = $process->(\@data);
		2495	my $t2 = Time::HiRes::time;
		2496
		2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2498
		2499	db_put cache => "$id/data", $data;
		2500	db_put cache => "$id/md5" , $md5;
		2501	db_put cache => "$id/meta", $meta;
		2502
		2503	return $data;
		2504	}
		2505
		2506	db_get cache => "$id/data"
		2507	}
		2508
		2509	=item fork_call { }, $args
		2510
		2511	Executes the given code block with the given arguments in a seperate
		2512	process, returning the results. Everything must be serialisable with
		2513	Coro::Storable. May, of course, block. Note that the executed sub may
		2514	never block itself or use any form of Event handling.
		2515
		2516	=cut
		2517
		2518	sub fork_call(&@) {
		2519	my ($cb, @args) = @_;
		2520
		2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2522	# or die "socketpair: $!";
		2523	pipe my $fh1, my $fh2
		2524	or die "pipe: $!";
		2525
		2526	if (my $pid = fork) {
		2527	close $fh2;
		2528
		2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2530	$res = Coro::Storable::thaw $res;
		2531
		2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2533
		2534	die $$res unless "ARRAY" eq ref $res;
		2535
		2536	return wantarray ? @$res : $res->[-1];
		2537	} else {
		2538	reset_signals;
		2539	local $SIG{__WARN__};
		2540	local $SIG{__DIE__};
		2541	eval {
		2542	close $fh1;
		2543
		2544	my @res = eval { $cb->(@args) };
		2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2546	};
		2547
		2548	warn $@ if $@;
		2549	_exit 0;
		2550	}
2198	}	2551	}
2199		2552
2200	#############################################################################	2553	#############################################################################
2201	# the server's main()	2554	# the server's init and main functions
		2555
		2556	sub load_facedata($) {
		2557	my ($path) = @_;
		2558
		2559	warn "loading facedata from $path\n";
		2560
		2561	my $facedata;
		2562	0 < aio_load $path, $facedata
		2563	or die "$path: $!";
		2564
		2565	$facedata = Coro::Storable::thaw $facedata;
		2566
		2567	$facedata->{version} == 2
		2568	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2569
		2570	{
		2571	my $faces = $facedata->{faceinfo};
		2572
		2573	while (my ($face, $info) = each %$faces) {
		2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2578	Coro::cede;
		2579	}
		2580
		2581	while (my ($face, $info) = each %$faces) {
		2582	next unless $info->{smooth};
		2583	my $idx = cf::face::find $face
		2584	or next;
		2585	if (my $smooth = cf::face::find $info->{smooth}) {
		2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2587	} else {
		2588	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2589	}
		2590	Coro::cede;
		2591	}
		2592	}
		2593
		2594	{
		2595	my $anims = $facedata->{animinfo};
		2596
		2597	while (my ($anim, $info) = each %$anims) {
		2598	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2599	Coro::cede;
		2600	}
		2601
		2602	cf::anim::invalidate_all; # d'oh
		2603	}
		2604
		2605	1
		2606	}
		2607
		2608	sub reload_regions {
		2609	load_resource_file "$MAPDIR/regions"
		2610	or die "unable to load regions file\n";
		2611	}
		2612
		2613	sub reload_facedata {
		2614	load_facedata "$DATADIR/facedata"
		2615	or die "unable to load facedata\n";
		2616	}
		2617
		2618	sub reload_archetypes {
		2619	load_resource_file "$DATADIR/archetypes"
		2620	or die "unable to load archetypes\n";
		2621	}
		2622
		2623	sub reload_treasures {
		2624	load_resource_file "$DATADIR/treasures"
		2625	or die "unable to load treasurelists\n";
		2626	}
		2627
		2628	sub reload_resources {
		2629	warn "reloading resource files...\n";
		2630
		2631	reload_regions;
		2632	reload_facedata;
		2633	#reload_archetypes;#d#
		2634	reload_archetypes;
		2635	reload_treasures;
		2636
		2637	warn "finished reloading resource files\n";
		2638	}
		2639
		2640	sub init {
		2641	reload_resources;
		2642	}
2202		2643
2203	sub cfg_load {	2644	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2646	or return;
2206		2647
2207	local $/;	2648	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2209		2650
…		…
2223		2664
2224	sub main {	2665	sub main {
2225	# we must not ever block the main coroutine	2666	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2667	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2669	(async {
2228	async { Event::one_event };	2670	Event::one_event;
		2671	})->prio (Coro::PRIO_MAX);
2229	};	2672	};
2230		2673
2231	cfg_load;	2674	cfg_load;
2232	db_load;	2675	db_init;
2233	load_extensions;	2676	load_extensions;
		2677
		2678	$TICK_WATCHER->start;
2234	Event::loop;	2679	Event::loop;
2235	}	2680	}
2236		2681
2237	#############################################################################	2682	#############################################################################
2238	# initialisation and cleanup	2683	# initialisation and cleanup
2239		2684
2240	# install some emergency cleanup handlers	2685	# install some emergency cleanup handlers
2241	BEGIN {	2686	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2687	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2688	Event->signal (
		2689	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2245	signal => $signal,	2691	signal => $signal,
		2692	prio => 0,
2246	cb => sub {	2693	cb => sub {
2247	cf::cleanup "SIG$signal";	2694	cf::cleanup "SIG$signal";
2248	},	2695	},
2249	);	2696	);
2250	}	2697	}
2251	}	2698	}
…		…
2256	warn "enter emergency perl save\n";	2703	warn "enter emergency perl save\n";
2257		2704
2258	cf::sync_job {	2705	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2706	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2707	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2708	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2709	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2710	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2711	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2712	$pl->valid or next;
2266	$pl->save;	2713	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2720	$map->valid or next;
2274	$map->save;	2721	$map->save;
2275	}	2722	}
2276	warn "end emergency map save\n";	2723	warn "end emergency map save\n";
		2724
		2725	warn "begin emergency database checkpoint\n";
		2726	BDB::db_env_txn_checkpoint $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2277	};	2728	};
2278		2729
2279	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2280	}	2731	}
2281		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2282	sub reload() {	2740	sub do_reload_perl() {
2283	# can/must only be called in main	2741	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2743	warn "can only reload from main coroutine";
2286	return;	2744	return;
2287	}	2745	}
2288		2746
2289	warn "reloading...";	2747	warn "reloading...";
2290		2748
2291	warn "freezing server";	2749	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2294		2755
2295	warn "sync database to disk";	2756	warn "syncing database to disk";
2296	cf::db_sync;	2757	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2758
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2759	# if anything goes wrong in here, we should simply crash as we already saved
2301		2760
2302	warn "cancel all watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2764	}
2306		2765
		2766	warn "flushing outstanding aio requests";
		2767	for (;;) {
		2768	BDB::flush;
		2769	IO::AIO::flush;
		2770	Coro::cede;
		2771	last unless IO::AIO::nreqs || BDB::nreqs;
		2772	warn "iterate...";
		2773	}
		2774
		2775	++$RELOAD;
		2776
2307	warn "cancel all extension coros";	2777	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2779	%EXT_CORO = ();
2310		2780
2311	warn "remove commands";	2781	warn "removing commands";
2312	%COMMAND = ();	2782	%COMMAND = ();
2313		2783
2314	warn "remove ext commands";	2784	warn "removing ext commands";
2315	%EXTCMD = ();	2785	%EXTCMD = ();
2316		2786
2317	warn "unload/nuke all extensions";	2787	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2788	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	2789	warn "... unloading $pkg";
2320		2790
2321	if (my $cb = $pkg->can ("unload")) {	2791	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2792	eval {
…		…
2327		2797
2328	warn "... nuking $pkg";	2798	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	2799	Symbol::delete_package $pkg;
2330	}	2800	}
2331		2801
2332	warn "unload all perl modules loaded from $LIBDIR";	2802	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	2803	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		2805
2336	warn "removing <$k>";	2806	warn "... unloading $k";
2337	delete $INC{$k};	2807	delete $INC{$k};
2338		2808
2339	$k =~ s/\.pm$//;	2809	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	2810	$k =~ s/\//::/g;
2341		2811
…		…
2344	}	2814	}
2345		2815
2346	Symbol::delete_package $k;	2816	Symbol::delete_package $k;
2347	}	2817	}
2348		2818
2349	warn "get rid of safe::, as good as possible";	2819	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		2822
2353	warn "unload cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2355		2826
2356	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2357	# and global variables created in xs	2828	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2359		2830
		2831	warn "unload completed, starting to reload now";
		2832
2360	warn "reloading cf.pm";	2833	warn "reloading cf.pm";
2361	require cf;	2834	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		2836
2364	warn "load config and database again";	2837	warn "loading config and database again";
2365	cf::cfg_load;	2838	cf::cfg_load;
2366	cf::db_load;
2367		2839
2368	warn "load extensions";	2840	warn "loading extensions";
2369	cf::load_extensions;	2841	cf::load_extensions;
2370		2842
2371	warn "reattach attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2372	_global_reattach;	2844	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	2845	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
2375	};	2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2376		2849
2377	if ($@) {	2850	warn "leaving sync_job";
		2851
		2852	1
		2853	} or do {
2378	warn $@;	2854	warn $@;
2379	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2380	exit 1;	2856	exit 1;
2381	}	2857	};
2382		2858
2383	warn "reloaded";	2859	warn "reloaded";
2384	};	2860	};
2385		2861
2386	#############################################################################	2862	our $RELOAD_WATCHER; # used only during reload
2387		2863
2388	unless ($LINK_MAP) {	2864	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	2865	# doing reload synchronously and two reloads happen back-to-back,
		2866	# coro crashes during coro_state_free->destroy here.
2390		2867
2391	$LINK_MAP->width (41);	2868	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	2869	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	2870	after => 0,
		2871	data => WF_AUTOCANCEL,
2401	cb => sub {	2872	cb => sub {
2402	$_[0]->w->cancel;	2873	do_reload_perl;
2403		2874	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	2875	},
2422		2876	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	2877	}
2428		2878
2429	register_command "reload" => sub {	2879	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2431		2881
2432	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	2883	$who->message ("reloading server.");
		2884	async { reload_perl };
2436	}	2885	}
2437	};	2886	};
2438		2887
2439	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2440		2889
		2890	my $bug_warning = 0;
		2891
		2892	our @WAIT_FOR_TICK;
		2893	our @WAIT_FOR_TICK_BEGIN;
		2894
		2895	sub wait_for_tick {
		2896	return unless $TICK_WATCHER->is_active;
		2897	return if $Coro::current == $Coro::main;
		2898
		2899	my $signal = new Coro::Signal;
		2900	push @WAIT_FOR_TICK, $signal;
		2901	$signal->wait;
		2902	}
		2903
		2904	sub wait_for_tick_begin {
		2905	return unless $TICK_WATCHER->is_active;
		2906	return if $Coro::current == $Coro::main;
		2907
		2908	my $signal = new Coro::Signal;
		2909	push @WAIT_FOR_TICK_BEGIN, $signal;
		2910	$signal->wait;
		2911	}
		2912
		2913	my $min = 1e6;#d#
		2914	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	2916	reentrant => 0,
		2917	parked => 1,
2443	prio => 0,	2918	prio => 0,
2444	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	2920	data => WF_AUTOCANCEL,
2446	cb => sub {	2921	cb => sub {
		2922	if ($Coro::current != $Coro::main) {
		2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2924	unless ++$bug_warning > 10;
		2925	return;
		2926	}
		2927
		2928	$NOW = $tick_start = Event::time;
		2929
2447	cf::server_tick; # one server iteration	2930	cf::server_tick; # one server iteration
		2931
		2932	0 && sync_job {#d#
		2933	for(1..10) {
		2934	my $t = Event::time;
		2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2936	or die;
		2937
		2938	$map->width (50);
		2939	$map->height (50);
		2940	$map->alloc;
		2941	$map->_load_objects ("/tmp/x.map", 1);
		2942	my $t = Event::time - $t;
		2943
		2944	#next unless $t < 0.0013;#d#
		2945	if ($t < $min) {
		2946	$min = $t;
		2947	}
		2948	$avg = $avg * 0.99 + $t * 0.01;
		2949	}
		2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2951	exit 0;
		2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2953	};
		2954
2448	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2450		2957
2451	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2960	Coro::async_pool {
		2961	write_runtime
		2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
		2964	}
		2965
		2966	# my $AFTER = Event::time;
		2967	# warn $AFTER - $NOW;#d#
		2968
		2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2970	$sig->send;
		2971	}
		2972	while (my $sig = shift @WAIT_FOR_TICK) {
		2973	$sig->send;
		2974	}
		2975
		2976	$NOW = Event::time;
2453		2977
2454	# if we are delayed by four ticks or more, skip them all	2978	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		2980
2457	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	2982	$TICK_WATCHER->start;
		2983
		2984	$LOAD = ($NOW - $tick_start) / $TICK;
		2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2986
		2987	_post_tick;
		2988
		2989
2459	},	2990	},
2460	);	2991	);
2461		2992
		2993	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	2994	BDB::max_poll_time $TICK * 0.1;
2463		2995	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	2996	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	2997	fd => BDB::poll_fileno,
2466	poll => 'r',	2998	poll => 'r',
2467	prio => 5,	2999	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3000	data => WF_AUTOCANCEL,
2474	after => 0,	3001	cb => \&BDB::poll_cb,
2475	interval => 10,	3002	);
2476	cb => sub {	3003	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	3004
2478	write_runtime	3005	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	3006	my $status;
		3007	my $current = $Coro::current;
		3008	(
		3009	sub {
		3010	$status = $!;
		3011	$current->ready; undef $current;
		3012	},
		3013	sub {
		3014	Coro::schedule while defined $current;
		3015	$! = $status;
		3016	},
		3017	)
		3018	};
		3019
		3020	unless ($DB_ENV) {
		3021	$DB_ENV = BDB::db_env_create;
		3022
		3023	cf::sync_job {
		3024	eval {
		3025	BDB::db_env_open
		3026	$DB_ENV,
		3027	$BDBDIR,
		3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3030	0666;
		3031
		3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3033
		3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3035	$DB_ENV->set_lk_detect;
		3036	};
		3037
		3038	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3039	};
2481	},	3040	}
2482	);	3041	}
		3042
		3043	{
		3044	IO::AIO::min_parallel 8;
		3045
		3046	undef $Coro::AIO::WATCHER;
		3047	IO::AIO::max_poll_time $TICK * 0.1;
		3048	$AIO_POLL_WATCHER = Event->io (
		3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
		3051	fd => IO::AIO::poll_fileno,
		3052	poll => 'r',
		3053	prio => 6,
		3054	cb => \&IO::AIO::poll_cb,
		3055	);
		3056	}
		3057
		3058	my $_log_backtrace;
		3059
		3060	sub _log_backtrace {
		3061	my ($msg, @addr) = @_;
		3062
		3063	$msg =~ s/\n//;
		3064
		3065	# limit the # of concurrent backtraces
		3066	if ($_log_backtrace < 2) {
		3067	++$_log_backtrace;
		3068	async {
		3069	my @bt = fork_call {
		3070	@addr = map { sprintf "%x", $_ } @addr;
		3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3073	or die "addr2line: $!";
		3074
		3075	my @funcs;
		3076	my @res = <$fh>;
		3077	chomp for @res;
		3078	while (@res) {
		3079	my ($func, $line) = splice @res, 0, 2, ();
		3080	push @funcs, "[$func] $line";
		3081	}
		3082
		3083	@funcs
		3084	};
		3085
		3086	LOG llevInfo, "[ABT] $msg\n";
		3087	LOG llevInfo, "[ABT] $_\n" for @bt;
		3088	--$_log_backtrace;
		3089	};
		3090	} else {
		3091	LOG llevInfo, "[ABT] $msg\n";
		3092	LOG llevInfo, "[ABT] [suppressed]\n";
		3093	}
		3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2483		3098
2484	END { cf::emergency_save }	3099	END { cf::emergency_save }
2485		3100
2486	1	3101	1
2487		3102

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines